GLOSSARY
Adjustable Temples- Temples adjust for comfort and tight fit for the
person
wearing them.
ANSI Z87- Standards American National Standards Institute (ANSI) Z87 are
the safety standards which all safety glasses must conform to for impact
resistant lenses and frames.
ANSI Z136- Standards American National Standards Institute (ANSI) Z136
are the
standards for laser safety.
AR Coating- Anti-reflective coating
Columbia Resin- Plastic formula used in plastic (CR-39) lenses which was
developed by Columbia Laboratories. The chemical name is Allyl Diglycol
Carbonate. CR-39 is an abbreviation for Columbia Resin #39 because it
was the 39th resin formula developed by Columbia Laboratories.
Flash Burn- Caused by UV exposure at the cornea of the eye. The cornea
and
iris are sore for a day or two, such as a sunburn on the skin. This may
be especially painful in bright light.
Impact Resistant Lenses- Hard, treated lenses that meet or exceed safety
standards
for impact resistance against debris and breakage.
Lens Coatings- Protect from scratches, fogging, breakage and UV rays,
depending
on the coating applied.
Polarized lenses- Blocks out harmful UV rays while allowing specific unharmful lights
in for great visibility (used primarily for fishing). Most safety
glasses are not polarized,
however, they are 99.9% UVprotected. These lenses can be effective
inside a car.
Polycarbonate Lenses- Tough, transparent lenses with high impact
strength. All selections of safety glasses have polycarbonate lenses.
Ratchet Temples- Temples adjust for comfort and tight fit for the person
wearing
them.
Side shields -Shields attached to the side of safety glasses for added
eye
protection.
Thermoplastic -A material that softens when heated and hardens when
cooled.
Titanium- A light strong gray lustrous corrosion-resistant metallic
element used in strong light- weight alloys (as for airplane parts).
UV A Rays- May produce severe reactions to all layers of the cornea. All
safety glasses are 99.9% UV A protected.
UV B Rays- May cause permanent cataracts. All safety glasses are 99.9%
UV B
protected.
UV C Rays- May produce photokeratitis (welder's flash). Only specialized
safety glasses meet UV C standards.
UV400 Absorber- The best protection from UV rays including the absorber
built into
the material so it will not scratch off.
UV Protection- Protection against harmful UV rays. All safety glasses
are UVA
and UVB protected.
Welding Lenses- Welding lenses come in two shades, 3.0 and 5.0. They are
the darkest of safety shades and work well for light gas and arc
welding.
Welder's Flash- Caused by unprotected exposure to the light produced
from electric
arc welding. The light from the welding arc contains ultraviolet,
visible and infrared light. UV light can cause inflammation of the
cornea and conjunctiva surrounding the eye called "welder's flash" or
"red eye." The symptoms can include mild pressure to intense pain in the
eye, tearing, reddening, light aversion and the sensation of sand in the
eye.
Wrap around lenses- Lenses wrap around to provide more protection than
normal safety lenses. Wrap around safety glasses are OSHA approved even
though they
do not have side shields.
Z87.1 -Standards Safety standards that all safety glasses must conform
to for impact
resistant lenses and frames.
This website and the materials contained herein are provided on an 'as is' basis. Safe Safety Glasses.com., make no representations or warranties, either expressed or implied, of any kind with respect to this website or its contents. Safe Safety Glasses.com, disclaim all warranties, expressed or implied, including but not limited to fitness for a particular purpose. Safe Safety Glasses.com., will not be liable for any damages of any kind arising from the use of this site, including but not limited to direct, indirect, incidental, punitive, and consequential damages. We reserve the right to modify our site and these disclaimers, terms and conditions at any time and without notice